Goofs & Blunders You Should Avoid.

kvt said:
Ok, you went to get a cup of coffee. Glad I do not drink the stuff.
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CNC lathe, it will run all day without input, sometimes the chips between material production runs will cause problems however. It is best to run several parts whilst adjusting the feeds and DOC's in order to get the chips under control, once this is done let it eat, the next bar may be different.
 
Try to trepanning or ejector drilling a hole in a 30 foot bar of 303 SS sometime.
 
Speaking of welding. I laid my phone down better then arms reach & a couple feet above where I was welding. When I finished there was a few chips melted into the glass. I flaked them off thinking that isn't to bad. However within days I had cracks running all over the screen.
 
Watch where your grinding sparks go if you are using a hand held angle grinder. If, like some of you, you share your shop with your wife's garage, those little sparks will embed in the glass of the windows and windshield. On the windshield (or windscreen for you other blokes) they are hard on the wiper blades.
 
I have worn eyeglasses for 50+ years and credit them for still having eyesight at all, since I'm lax on using safety goggles and such. When doing grinding I'd get the tiny pit marks in the glass lenses. Who'd think the hot sparks would pit glass? Odd think is, the last 10 years or so, I have had my lenses made from polycarbonate plastic. I haven't had a pit mark in my lenses since. Who knew?
 
Those sparks can set clothes to smoldering. Tennis shoes, pant leg, etc. Watch where the sparks are hitting, They may not seem that bad but as you grind they continue to build in spots.
And like Tony said if you share your work area with others, or even other things like wood working, be careful. The saw dust can be a ready fire starter, Have seen those results in one garage shop,
keep the fire extinguisher handy.
 
kvt said:
Those sparks can set clothes to smoldering. Tennis shoes, pant leg, etc. Watch where the sparks are hitting, They may not seem that bad but as you grind they continue to build in spots.
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:laughing: been there, done that, it hurts before you realise whats happening.
 
kvt said:
Those sparks can set clothes to smoldering. Tennis shoes, pant leg, etc. Watch where the sparks are hitting, They may not seem that bad but as you grind they continue to build in spots.
And like Tony said if you share your work area with others, or even other things like wood working, be careful. The saw dust can be a ready fire starter, Have seen those results in one garage shop,
keep the fire extinguisher handy.
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I've never seen it for myself but I remember a story about a table saw being used for cutting steel & apparently pine dust is much like gasoline.
 
kingmt01 said:
apparently pine dust is much like gasoline.
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Much worse. Even many things that are not flammable can be explosive when in dust form. We did all kinds of experiments trying to use dust as an explosive multiplier. While it could do a tremendous job, we could not get it consistent or predictable.
 
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